Thunderbird Desktop
Version 110.0beta | Released January 19, 2023
Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.
These notes apply to Thunderbird version 110 beta 4 released February 7, 2023.
System Requirements: Details
- Windows: Windows 7 or later
- Mac: macOS 10.12 or later
- Linux: GTK+ 3.14 or higher
What’s New
new
Thunderbird now includes the option to send a minimal user agent header, or no header at all
new
Thunderbird now notifies the user if a message includes nested encryption, and allows viewing each encrypted part of the message
new
OpenPGP signature dates are now shown for signed messages
new
Thunderbird can now individually reload remote calendars
new
Added option to always show system tray icon on Windows
What’s Changed
changed
S/MIME encryption reminder re-enabled
What’s Fixed
fixed
IMAP autosync sometimes stopped after restoring computer from sleep or hibernation
fixed
POP3 messages were deleted from server when attachments were detached from the message in Thunderbird
fixed
Thunderbird did not decrypt OpenPGP messages with an additional outer signature layer
fixed
"Get Messages" did not retrieve messages from Gmail accounts using a local folder as a deferred inbox
fixed
Switching identities caused remote images in HTML signatures to not be shown (since Thunderbird 102.6.1)
fixed
Changing the default search engine did not persist after closing "Settings" tab
fixed
Thunderbird incorrectly addressed all XMPP pings to the connected XMPP server, rather than the originator of the ping
fixed
Task previews did not show HTML formatting
fixed
Tooltips for "Show/Hide" calendar toggle did not display
fixed
Various visual and UX improvements
Fixed in beta 2
What’s Fixed
fixed
Microsoft Office 365 accounts were unable to authenticate
fixed
Messages signed with revoked S/MIME certificates were displayed as correctly signed
fixed
Window titlebar buttons (minimize/maximize/close) were not displayed in Windows 10 "Dark" color mode
No patches applied in beta 3
Fixed in beta 4
What’s Fixed
fixed
Unread message count and folder name formatting did not display correctly due to autosync
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